CN107515173A - A kind of full-service fluid sampling colour comparatour and its application method - Google Patents
A kind of full-service fluid sampling colour comparatour and its application method Download PDFInfo
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- CN107515173A CN107515173A CN201710910791.5A CN201710910791A CN107515173A CN 107515173 A CN107515173 A CN 107515173A CN 201710910791 A CN201710910791 A CN 201710910791A CN 107515173 A CN107515173 A CN 107515173A
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- sampling
- storehouse
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- liquid
- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
Abstract
The present invention relates to a kind of equipment and its application method for liquid sampling, specifically a kind of full-service fluid for petrochemical industry samples colour comparatour and its application method.A kind of full-service fluid sampling colour comparatour includes upper sampling storehouse and lower sampling storehouse；Upper sampling storehouse and lower sampling storehouse can be used alone, or upper sampling storehouse and lower sampling storehouse are combined and used.Upper sampling storehouse includes Shang Gai, storehouse bucket, lower cover, feed liquor linkage and rope control device；Described storehouse bucket is hollow cylinder, is provided with and covers in the upper seal of cylinder, lower cover is sealed and installed with below cylinder；The sealing gasket of sealing is separately provided in the junction of cylinder and upper lid, lower cover；It is provided with the center of upper lid for the through hole through feed liquor linkage, through hole outer rim is provided with inlet opening；Described feed liquor linkage includes shaft-like connecting rod, shield and piston, and piston is connected with by bearing pin in the tail end of connecting rod.
Description
Technical field
The present invention relates to a kind of equipment and its application method for liquid sampling, specifically for petrochemical industry
A kind of full-service fluid sampling colour comparatour and its application method in field.
Background technology
The storage and transport process of oil product is often all carried out under closed environment, so as to have it is many influence oil quality because
Element, such as：Uncleanly warehousing and transportation facilities capsule contamination oil product；Wrong oil product is adjusted during shipping；Exchange oil product is mixed in car and boat way；Poor oil
Product oxidation deterioration etc., the apparent conditions such as the color, clarity, viscosity of oil product can be caused to change, produce some and significantly may be used
See feature.All previous great gasoline quality accident is looked back, majority, which is that gasoline is contaminated, colloid is big or water is miscellaneous, to be caused, moreover,
These accidents should be avoidable.Because the big gasoline of colloid, its color will necessarily deepen, just should be able to as long as visually inspecting
It was found that.Sample colour comparatour using full-service fluid of the present invention, to passing in and out the oil truck ship of oil depot, gas station is received, store,
The process of oiling, sampling carry out visual examination and detection, are that quality management is most important or last critical point, help to find seriously to become
Matter has polluted, and containing the miscellaneous oil product of water, effectively prevents the generation of great quality accident.
The requirement of GB/T4756 petroleum liquid hand samples method, uniform petroleum liquid is sampled by uniform petroleum liquid, it is non-equal
Even petroleum liquid, sampled by crude oil and other uneven petroleum liquids, uneven oil is taken with uniform petroleum liquid sampling method
Liquid, sampling can be made without representativeness.
In oil sampling before to storage, first have to assess the uniformity of oil product, density result difference be more than ±
1kg/m3, moisture is more than ± 0.1% (volume fraction) or appearance color is inconsistent, should be evaluated as uneven.
Currently known correlation technique has：Petroleum liquid clear glass sampler and its sampling method, petroleum liquid sampling
Colour comparatour and its installation and application, can be with the digital densimeter of automatic measurement petroleum liquid density.The former can be assessed outside oil product
The uniformity of appearance quality, the latter can quickly measure oil density, neither can individually complete to assess the uniformity of oil product simultaneously,
Difficulty is formed to sample representation.
The content of the invention
It is an object of the present invention to provide a kind of full-service fluid sampling colour comparatour and its application method.In the mistake of sampling
In journey can the presentation quality of simultaneous display oil product and the uniformity of density, in time assess oil product in sample representativeness simultaneously will take
Contrasted between the oil product of sample, ensure the quality of oil product storage.
A kind of full-service fluid sampling colour comparatour takes following technical scheme to realize：
A kind of full-service fluid sampling colour comparatour includes upper sampling storehouse and lower sampling storehouse；Upper sampling storehouse and lower sampling storehouse can be individually
Use, or upper sampling storehouse and lower sampling storehouse are combined and used.
Upper sampling storehouse includes Shang Gai, storehouse bucket, lower cover, feed liquor linkage and rope control device；Described storehouse bucket is hollow
Cylinder, it is provided with and covers in the upper seal of cylinder, lower cover is sealed and installed with below cylinder；In cylinder and upper lid, lower cover
Junction is separately provided for the sealing gasket of sealing；It is provided with the center of upper lid for through the logical of feed liquor linkage
Hole, through hole outer rim is provided with inlet opening；Described feed liquor linkage includes shaft-like connecting rod, shield and piston, in connecting rod
Tail end piston is connected with by bearing pin, the top of connecting rod is threadedly attached on shield, and the cross section of shield is T
Shape, and upper lid inwall be provided with shield coordinate step, when carrying the top for carrying shield, between shield and upper lid due to
Action of Gravity Field forms sealing, and sealing state releases during release, can form the passage flowed out for liquid；On the head of shield is stretched out
The through hole covered, and be fixedly connected by screw thread or buckle with rope control device, rope control device can control the opening of shield；
Through hole is also equipped with the central spot of lower cover, and the side in through hole outwardly is provided with boss, and boss inwall is provided with for close
The rubber ring of envelope, rubber ring coordinates with piston can play sealing function；It is provided with and is used in the side that lower cover is located in the bucket of storehouse
Enter the cavity of discharge opeing, the top of cavity offers the through hole passed through for connecting rod and passes through bearing pin carry out activity with the top of piston
Connection.
Described rope control device is made up of rope hook, pipe cap, spring, pogo barrel, push rod, lock tube；The middle part of pogo barrel
There is the hook and slot that axial section is hooklike aperture；Pogo barrel upper end is provided with pipe cap, the intracavitary of pogo barrel is equipped with spring, spring
One end head on the inwall of pipe cap, the other end pushes K shape push rods；In the case where locking open state, rope hook enters hook and slot, is stuck in K shape push rods
Middle part, the bottom of pogo barrel opening are provided with lock tube, and lock tube is connected by the top of screw thread or buckle and shield, the top of rope hook
Through pipe cap and it is connected with sampling rope.
Boss inwall in upper sampling storehouse, which is provided with the outside of the rubber ring for sealing, to be additionally provided with for aiding in feed liquor
Inlet, the quantity of inlet is not limited to one.
The top of the cavity set on the lower lid is additionally provided with screw thread or buckle, for being provided with use above cavity
In the dividing plate that the storehouse bucket in upper sampling storehouse is carried out to space segmentation, acted on by the segmentation of dividing plate, can retained after primary sample
The sampling liquid of lower half in the bucket of storehouse, and in lower sub-sampling using the sampling liquid of lower half as the liquid with reference to liquid and the first half
Carry out visual comparison.
Gap between dividing plate and storehouse bucket inwall is 0.5-2mm.
The upper lid in the upper sampling storehouse is attached by circle mouth and cover plate by screw thread or buckle, is also set in the outer wall of cover plate
Anti-slip veins are equipped with, for facilitating the connection between circle mouth and cover plate.
Lower sampling storehouse includes Shang Gai, storehouse bucket and lower cover；Described storehouse bucket is hollow cylinder, and storehouse bucket is transparent material system
Make, be provided with and cover in the upper seal of cylinder, lower cover is sealed and installed with below cylinder；In the company of cylinder and upper lid, lower cover
The place of connecing is separately provided for the sealing gasket of sealing；The inlet for entering discharge opeing is provided with the top of upper lid, in inlet
O-ring seal is inside provided with, the connecting rod being engaged with O-ring seal is additionally provided with inlet, the lower end of connecting rod can
Piston is arranged to, is interference fit between piston and O-ring seal；Hollow through hole is provided with described lower lid, in through hole
Annular groove is provided with, O-ring seal is installed in groove, the valve plug with the conical surface, valve plug and groove can be installed in through hole
Interference fit is formed between the O-ring seal of interior installation so as to play the effect of movable sealing, the top truncation of valve plug forms flat
Face, the bottom of valve plug are provided with the step of necking down, and the outer diameter of step of necking down is more than the internal diameter of O-ring seal, so as to be fallen in valve plug
At present sample storehouse and form sealing structure.
The lower cover in the lower sampling storehouse can also be provided with the through hole of step, be additionally provided with lower cover bottom and facilitate feed liquor
Lead channel, the lead to the hole site on lower lid is identical with the upper position correspondence for covering inlet and size, between upper lid and lower cover
Through storehouse, bucket is provided with the connecting rod that hollow and lower end is opening, and the bottom of connecting rod is provided with corresponding with lower cover top bar
Projection, raised thickness are less than the height of lead channel, and connecting rod can be slided in lower sampling storehouse, the first half closing of connecting rod
And form two cavitys, the first half of connecting rod up and down and expose lid, it is used to arrange when the outer wall of connecting rod is additionally provided with feed liquor
The air discharge duct of gas, the tail end of air discharge duct when listening to sampling rope in upper lid or upper lid top, form sealing state；Taking
When sample rope relaxes, tail end is stretched into the bucket of storehouse, and the top of air discharge duct is still located at the outside of lid so that lower sampling storehouse is in into liquid
State, and the air in the bucket of storehouse is discharged from air discharge duct.
The head of upper and lower two cavitys is provided with the through hole of horizontal direction；The lower end of connecting rod extends to logical in lower cover
In hole, and poor cooperation was formed with the through hole in lower cover, and electronic densitometer was installed in the cavity of connecting rod bottom, electronics was close
The data wire for spending meter is stretched out by the cavity of connecting rod bottom.
Cord hole can also be provided with the top of the connecting rod in lower sampling storehouse, sampling rope is connected with cord hole, can be used in
Lower sampling storehouse is used alone；Described sampling rope can also be two, and a sampling rope is connected in cord hole, another sampling rope
It is connected on the handle in lid up or down sampling storehouse, is first put in lower sampling storehouse to pre- depthkeeping by the sampling rope in cord hole during sampling
Degree, the sampling rope on the handle in lid up or down sampling storehouse is listened to, and unclamp the sampling rope in cord hole, treat to enter completely in lower sampling storehouse
The sampling rope in cord hole is extracted after sampling liquid, so as to complete to sample.
Cover on lower sampling storehouse into the male-pipe that evagination is provided with the outside of leakage fluid dram, be correspondingly arranged on male-pipe
Thread bush, by the regulation up and down of thread bush, the sliding distance of connecting rod can be adjusted；Can when thread bush is adjusted to top
Connecting rod is held out against, prevents connecting rod from sliding, so that upper lid is in sealing state.
Electron density timing is being used, the data wire of electronic densitometer can be sampling rope, be separated in the end of data wire
The one root long degree rope short compared with data wire is used to be connected with rope hook.
Described storehouse bucket is that glass or lucite make.
Screwed hole of the upper surface setting through valve plug of plane is formed in valve plug truncation, it is fixed to be movably installed with screwed hole
Position screw, the upper surface of lower cover are provided with the boss coordinated with positioning screw, screw hole are additionally provided with boss；Valve plug can
3 kinds of different working conditions are arranged as required to, i.e. positioning screw is screwed into screw hole, and valve plug is in normally off, positioning spiral shell
Nail is not threaded into, and valve plug is in free state and positioning screw is not threaded into screw hole but pushed against with boss, and valve plug is in normally opened
State, this three state.
On the upper sampling storehouse and lower sampling storehouse corresponding screwed hole is provided between each self-corresponding upper lid and lower cover
Or buckle bayonet socket, it is attached between screwed hole or buckle bayonet socket by press strip, for one will to be entered between Shang Gai, storehouse bucket and lower cover
Step sealing.
Hook hole is additionally provided with the top of the upper lid or press strip in upper sampling storehouse, can be used in setting handle.
Hook hole is additionally provided with the top of the upper lid or press strip in lower sampling storehouse, can be used in setting handle.
It is described it is upper sampling storehouse and it is lower sampling storehouse on each self-corresponding storehouse bucket both ends be respectively arranged with screw thread, it is upper lid and
The screw thread being engaged with storehouse bucket is respectively arranged with lower lid, for by Shang Gai and storehouse bucket, being tightened between lower cover and storehouse bucket；On the bucket of storehouse
Screw thread be preferably external screw thread, be correspondingly arranged on internal thread on Shang Gai and lower lid.
Interface is additionally provided with the connecting rod top in lower sampling storehouse, for being connected with upper sampling storehouse；Described lower sampling storehouse
The interface on connecting rod top be hickey or buckle.
Application method
A kind of full-service fluid sampling colour comparatour of the present invention includes upper sampling storehouse and lower sampling storehouse；Upper sampling storehouse and lower sampling storehouse are equal
It can be used alone, or upper sampling storehouse and lower sampling storehouse are combined and used.
Upper sampling storehouse is used alone（Dividing plate state is not filled）
Vacant upper sampling storehouse is slowly put into liquid to be sampled by the sampling rope restricted on control device during use.
Place to container bottom, spring of the rope hook in rope control device deviates from hook and slot under promoting, shield is because gravity is to downslide
It is dynamic, depressurization state；Or it is to be placed to designated depth, sampling rope is rapidly above carried and is put back under quick to designated depth,
Spring of the rope hook in rope control device deviates from hook and slot under promoting, and shield is because of slide downward of conducting oneself with dignity, depressurization state.
Liquid to be sampled enters to put in storage in bucket by the inlet opening on upper lid, and discharges gas by the steam vent on upper lid.
After liquid to be sampled takes completely, pull sampling to restrict and simultaneously take out, sampling person carries out the sampling liquid in the bucket of visual detection storehouse, also can
Enough sampling liquid is put into vessel is detected.
Upper sampling storehouse is used alone（Fill dividing plate state）
Vacant upper sampling storehouse is slowly put into liquid to be sampled by the sampling rope restricted on control device during use；
Place to container bottom, spring of the rope hook in rope control device deviates from hook and slot under promoting, and catches on handle, and shield is to downslide
It is dynamic, depressurization state；Or it is to be placed to designated depth, sampling rope is rapidly above carried, then quickly transfers to designated depth, rope hook
Spring in rope control device deviates from hook and slot under promoting and catches on handle, shield slide downward, depressurization state.
Liquid to be sampled enters to put in storage in bucket by the inlet opening on upper lid, and discharges gas by the steam vent on upper lid.
After liquid to be sampled takes completely, pull sampling to restrict and simultaneously take out, sampling is restricted and unclamped, piston is dropped into liquid outlet unlatching
Position, the emptying rate of liquid on dividing plate top, the sampling liquid of the lower partition retain and are used as tested liquid.
The upper sampling storehouse for emptying first half liquid is put into another container to be sampled and is sampled, after the completion of to be sampled
Take out.
Detect by visual observation, contrasted using the sampling liquid that the first sub-sampling retains as tested liquid, see if there is different spies
Whether sign is qualified or uniform so as to detect the presentation quality of the liquid of sampling.
After the completion of contrasting detection to be sampled, upper sampling storehouse is overturn into 180 ° of inversions, you can the first sub-sampling of discharge retains
Tested liquid.
Lower sampling storehouse is used alone（Fill valve plug state）
Valve plug can be arranged as required to 3 kinds of different working conditions, i.e. positioning screw is screwed into screw hole, and valve plug is in normally closed
State；Positioning screw is not threaded into, and valve plug is in free state；And positioning screw is not threaded into screw hole but pushed against with boss,
Valve plug is in normally open.
Valve plug is in normally off, the lower cover position sealing in lower sampling storehouse, after lower sampling storehouse sampling liquid and tightens
Upper lid, when lower sampling storehouse is inverted, it can carry out detecting the foam time of gasoline sample, oil sample can be sealed up for safekeeping when sample bottle.
Positioning screw is not threaded into screw hole but pushed against with boss, and valve plug is in normally open, is taken by sampling rope by under
Sample storehouse is put into the liquid of sampling, and extraction sampling rope takes out after taking completely, under gravity shape between connecting rod and upper lid
Into sealing, and the presence sampled between liquid and atmospheric pressure due to atmospheric pressure in lower sampling storehouse is caused to form negative pressure, so as to not
Leakage can be produced, can be used in taking automobile oil truck, the oil sample of oil tank and tank bottom sample, taken when realizing bottom inlet and outlet without bottom valve
Sample, the problems such as avoiding the leakage that impurity jam bottom valve is not closed completely.
Positioning screw is unclamped, valve plug can slidably, and valve plug is in free state；Being capable of the high sample of extracting container bottom water
Product, valve plug touch container bottom stress and rise the through hole opened on lower lid, and upon exiting the vessel, valve plug is because of deadweight under descending closing
The through hole covered, the O-ring seal on Shang Gai and lower lid are in sealing state, prevent sample leakage loss.
Upper sampling storehouse and the use of lower sampling storehouse combination, lower sampling storehouse are used alone（Fill electronic densitometer）
Connecting rod is installed in lower sampling storehouse, electronic densitometer, electronic densitometer are installed in the cavity of connecting rod bottom
Data wire it is protruding by the through hole in connecting rod；
The lower sampling storehouse for being placed with electronic densitometer is connected with upper sampling storehouse, and is put into liquid to be sampled, lower sampling storehouse is not
When reaching precalculated position, in sealing state；When reaching bottom position, lower sampling storehouse is in into liquid status, and causes storehouse bucket
Interior air is discharged from air discharge duct, treats air emptying, lower sampling storehouse takes full sampling liquid, and meets electronic densitometer minute
Afterwards, sampling storehouse will be gone up and lower sampling storehouse is taken out.
The time of measuring of electronic densitometer is at least 5 seconds, preferably more than 60 seconds.
By the connecting rod on lower sampling storehouse, lower sampling storehouse is fixedly attached on upper sampling storehouse by screw thread or buckle,
And by sampling storehouse and lower sampling storehouse below the rope control device on upper sampling storehouse and in extraction；Upper sampling storehouse can be entered by dividing plate
The more sub-samplings of row simultaneously contrast, lower sampling storehouse both can by setting the different conditions of valve plug, carry out the point of each depth of liquid layer and
In bottom sampling process, the density of the liquid of sample point position is measured in the lump, so as to the presentation quality of synchronous detection sample and close
Degree, the uniformity of evaluate sample, it is determined that using the method for taking representative sample.
A kind of equipment for liquid sampling of the invention is skillfully constructed, is easy to use, and Detection results are used with good,
Upper sampling storehouse and lower sampling storehouse can be used alone, and can also be applied in combination, and have a variety of use by different state settings
On the way, there is good using flexible and application and popularization value.
Brief description of the drawings
Below with reference to accompanying drawing, the invention will be further described：
Structural representation during a kind of equipment total state for liquid sampling of Fig. 1 present invention（Upper sampling storehouse and lower sampling storehouse group
Close and use；Upper sampling storehouse dress dividing plate, lower sampling storehouse dress valve plug）.
Structural representation during a kind of equipment total state for liquid sampling of Fig. 2 present invention（Upper sampling storehouse and lower sampling
Storehouse is applied in combination；Upper sampling storehouse dress dividing plate, lower sampling storehouse dress electronic densitometer）.
Structural representation when a kind of Fig. 3 equipment for liquid sampling of the present invention is used alone for upper sampling storehouse（On take
Sample storehouse fills dividing plate, omits handle）.
Structural representation when a kind of Fig. 4 equipment for liquid sampling of the present invention is used alone for lower sampling storehouse（Under take
Sample storehouse fills valve plug, omits handle）.
The structural representation of the valve plug in lower sampling storehouse in a kind of equipment for liquid sampling of Fig. 5 present invention.
Embodiment
Reference picture 1-5, a kind of full-service fluid sampling colour comparatour include upper sampling storehouse and lower sampling storehouse；Upper sampling storehouse is with
Sampling storehouse can be used alone, or upper sampling storehouse and lower sampling storehouse are combined and used.
Upper sampling storehouse includes upper lid 1, storehouse bucket 2, lower cover 3, feed liquor linkage and rope control device；During described storehouse bucket 2 is
Empty cylinder, is provided with the upper seal of cylinder and covers, lower cover 3 is sealed and installed with below cylinder；Cylinder and upper lid 1,
The junction of lower cover 3 is separately provided for the sealing gasket of sealing；It is provided with the center of upper lid 1 for running through feed liquor connecting rod
The through hole 4 of device, linkage include shaft-like connecting rod 5, shield 6 and piston 7, are connected in the tail end of connecting rod 5 by bearing pin activity
Piston 7 is connected to, the top of connecting rod 5 is threadedly attached on shield 6, and the cross section of shield 6 is inverted T-shaped, and in upper lid 1
Wall is provided with the step coordinated with shield 6, when carrying the top for carrying shield 6, due to Action of Gravity Field shape between shield 6 and upper lid 1
Into sealing, sealing state releases during release, can form the passage flowed out for liquid；The head of shield 6 is stretched out logical on upper lid 1
Hole 4, and be fixedly connected by screw thread or buckle with rope control device, rope control device can control the opening of shield 6；In lower cover
3 central spot is also equipped with through hole 8, and the side in through hole 8 outwardly is provided with boss, and boss inwall is provided with for sealing
Rubber ring 35, rubber ring 35 coordinates with piston 7 can play sealing function；It is located at the side in storehouse bucket 2 in lower cover 3 and is provided with use
In the cavity 9 for entering discharge opeing, the top of cavity 9 offers the through hole 8 passed through for connecting rod 5 and passes through bearing pin with the top of piston 7
It is flexibly connected.
Described rope control device is made up of rope hook 10, pipe cap 11, spring 12, pogo barrel 13, push rod 14, lock tube 15；Bullet
There is the hook and slot 36 that axial section is hooklike aperture at the middle part of spring sleeve pipe 13；The upper end of pogo barrel 13 is provided with pipe cap 11, spring housing
The intracavitary of pipe 13 is equipped with spring 12, and one end of spring 12 heads on the inwall of pipe cap 11, and the other end pushes K shapes push rod 14；Opened in lock
Under state, rope hook 10 enters hook and slot 36, is stuck in the middle part of K shapes push rod 14, and the bottom that pogo barrel 13 is open is provided with lock tube 15, lock tube
15 are connected by screw thread or buckle with the top of shield 6, and the top of rope hook 10 through pipe cap 11 and is connected with sampling rope 16.
Boss inwall in upper sampling storehouse is provided with the inlet that feed liquor is additionally provided with the outside of the rubber ring for sealing
17, the quantity of inlet 17 is not limited to one.
The top of the cavity 9 set on the lower cover 3 is additionally provided with screw thread or buckle, for being installed in the top of cavity 9
There is the dividing plate 18 for the storehouse bucket 2 in upper sampling storehouse to be carried out to space segmentation, acted on by the segmentation of dividing plate 18, after primary sample
Can retain the sampling liquid of lower half in storehouse bucket 2, and in lower sub-sampling using the sampling liquid of lower half as with reference to liquid with it is upper
The liquid of half portion carries out visual comparison.
Gap between dividing plate 18 and the inwall of storehouse bucket 2 is 0.5-2mm.
The upper lid 1 in the upper sampling storehouse is attached by circle mouth 1-1 and cover plate 1-2 by screw thread or buckle, in cover plate 1-2
Outer wall be additionally provided with anti-slip veins, for facilitating the connection between circle mouth 1-1 and cover plate 1-2.
Lower sampling storehouse includes upper lid 20, storehouse bucket 21 and lower cover 22；Described storehouse bucket 21 is hollow cylinder, and storehouse bucket 21 is
Bright material makes, and is provided with lid 20 in the upper seal of cylinder, lower cover 22 is sealed and installed with below cylinder；Cylinder with it is upper
Lid 20, the junction of lower cover 22 are separately provided for the sealing gasket of sealing；It is provided with the top of upper lid 20 for intake and exhaust
Mouth 23, is provided with O-ring seal in porting 23, the company being engaged with O-ring seal is additionally provided with porting 23
Extension bar 24, the lower end of connecting rod 24 can be arranged to piston 25, be interference fit between piston 25 and O-ring seal；Under described
Hollow through hole 26 is provided with lid 22, annular groove is provided with through hole 26, O-ring seal 27 is installed in groove,
Valve plug 28 with the conical surface can be installed in through hole 26, formed and be interference fitted between the O-ring seal 27 installed in valve plug 28 and groove
So as to play the effect of movable sealing, the top truncation of valve plug 28 forms plane, and the bottom of valve plug 28 is provided with the step of necking down
28-4, the step 28-4 external diameters of necking down are more than the internal diameter of O-ring seal 27, so as to valve plug 28 fall sampling storehouse at present formed it is close
Seal structure.
The lower cover 22 in the lower sampling storehouse can also be provided with the through hole of step, be additionally provided with the bottom of lower cover 22 conveniently
The lead channel of feed liquor, lead to the hole site on lower cover 22 and the position correspondence of inlet 23 on upper lid 20 and size is identical, in Shang Gai
Storehouse bucket 21 is provided with the connecting rod 29 that hollow and lower end is opening between 20 and lower cover 22, the bottom of connecting rod 29 is set
There is a raised 29-1 corresponding with the top bar of lower cover 22, raised 29-1 thickness is less than the height of lead channel, and connecting rod 29 can be
Slided in lower sampling storehouse, the first half of connecting rod 29, which is closed and forms two cavitys, the first half of connecting rod 29 up and down, to be exposed
Lid 20, the air discharge duct 30 when the outer wall of connecting rod 29 is additionally provided with feed liquor for exhaust, the tail end of air discharge duct 30 are taken listening to
During sample rope 16 in the upper lid 20 or upper lid 20 top, form sealing state；In sampling 16 relaxation of rope, tail end stretches into storehouse bucket
In 21, the top of air discharge duct 30 is still located at the outside of lid 20 so that lower sampling storehouse is in into liquid status, and is caused in storehouse bucket 21
Air discharged from air discharge duct 30.
The head of upper and lower two cavitys is provided with the through hole of horizontal direction；The lower end of connecting rod 29 is extended in lower cover
In through hole, and poor cooperation was formed with the through hole in lower cover 22, electronic densitometer is installed in the cavity of the bottom of connecting rod 29
Probe 31, the data wire of electronic densitometer probe 31 are stretched out by the cavity of the bottom of connecting rod 29.
Cord hole can also be provided with the top of the connecting rod 29 in lower sampling storehouse, sampling rope 16 is connected with cord hole, can
It is used alone for lower sampling storehouse；Described sampling rope 16 can also be two, and a sampling rope is connected in cord hole, Ling Yigen
Sampling rope is connected on the handle in the up or down of lid 20 sampling storehouse, is first put lower sampling storehouse by the sampling rope in cord hole during sampling
To desired depth, the sampling rope on the handle in the up or down of lid 20 sampling storehouse is listened to, and unclamps the sampling rope in cord hole, treats down to take
Enter in sample storehouse completely sample liquid after extract cord hole on sampling rope, so as to complete to sample.
Covered on lower sampling storehouse into the male-pipe 20-1, male-pipe 20-1 Shang couple that evagination is provided with the outside of leakage fluid dram
Thread bush 20-2 should be provided with, by thread bush 20-2 regulation up and down, the sliding distance of connecting rod 29 can be adjusted；In screw thread
Set 20-2 is adjusted to during top and can be held out against connecting rod 29, prevents connecting rod 29 from sliding, so that upper lid 20 is in sealing shape
State.
When using electronic densitometer 31, the data wire of electronic densitometer 31 can be sampling rope 16, at the end of data wire
End separates the root long degree rope short compared with data wire and is used to be connected with rope hook.
Described storehouse bucket 2,21 is that glass or lucite make.
Screwed hole of the upper surface setting through valve plug 28 of plane, the activity installation in screwed hole are formed in the truncation of valve plug 28
There is positioning screw 28-1, the upper surface of lower cover 22 is provided with the boss 28-2 coordinated with positioning screw 28-1, in boss 28-2
It is additionally provided with screw hole 28-3；Valve plug can be arranged as required to 3 kinds of different working conditions, i.e. positioning screw 28-1 is screwed into spiral shell
In nail, valve plug 28 is in normally off, positioning screw 28-1 is not threaded into, and valve plug 28 is in free state and positioning screw
28-1 is not threaded into screw hole but pushed against with boss 28-2, and valve plug 28 is in normally open, this three state.
It is provided with the upper sampling storehouse and lower sampling storehouse between each self-corresponding upper lid 1,20 and lower cover 3,22 correspondingly
Screwed hole or buckle bayonet socket, be attached between screwed hole or buckle bayonet socket by press strip 32,33, for by upper lid（1、
20）, storehouse bucket（2、21）And lower cover（3、22）Between further seal.
Hook hole is additionally provided with the upper lid 1 in upper sampling storehouse or the top of press strip 32, can be used in setting handle 34.
Hook hole is additionally provided with the upper lid 20 in lower sampling storehouse or the top of press strip 33, can be used in setting handle 34.
Each self-corresponding storehouse bucket on the upper sampling storehouse and lower sampling storehouse（2、21）Both ends are respectively arranged with screw thread,
Upper lid（1、20）And lower cover（3、22）On be respectively arranged with and storehouse bucket（2、21）The screw thread being engaged, for by upper lid（1、20）With
Storehouse bucket（2、21）, lower cover（3、22）With storehouse bucket（2、21）Between tighten；Storehouse bucket）（2、21）On screw thread be preferably external screw thread, on
Lid（1、20）And lower cover（3、22）On be correspondingly arranged on internal thread.
Interface is additionally provided with the top of connecting rod 29 in lower sampling storehouse, for being connected with upper sampling storehouse；Described lower sampling
The interface on the top of connecting rod 29 in storehouse is hickey or buckle.
Application method
A kind of full-service fluid sampling colour comparatour of the present invention includes upper sampling storehouse and lower sampling storehouse；Upper sampling storehouse and lower sampling storehouse are equal
It can be used alone, or upper sampling storehouse and lower sampling storehouse are combined and used.
Upper sampling storehouse is used alone（Dividing plate state is not filled）
Vacant upper sampling storehouse is slowly put into liquid to be sampled by the sampling rope 16 restricted on control device during use.
Place to container bottom, spring 12 of the rope hook 10 in rope control device and deviate from hook and slot 36 under promoting, shield 6 is because of gravity
Slide downward, depressurization state；Or it is to be placed to designated depth, rope 16 will be sampled and rapidly above carry and be put back under quick to finger
Depthkeeping degree, spring 12 of the rope hook 10 in rope control device deviate from hook and slot 36 under promoting, and shield 6 releases close because of slide downward of conducting oneself with dignity
Envelope state.
Liquid to be sampled is entered to put in storage in bucket 2 by the inlet opening on upper lid 1, and discharges gas by the steam vent on upper lid 1
Body.
After liquid to be sampled takes completely, sampling rope 16 is pulled simultaneously to take out, sampling person carries out the sampling liquid in visual detection storehouse bucket 2,
Also sampling liquid can be put into vessel and be detected.
Upper sampling storehouse is used alone（Fill dividing plate state）
Vacant upper sampling storehouse is slowly put into liquid to be sampled by the sampling rope 16 restricted on control device during use；
Place to container bottom, spring 12 of the rope hook 10 in rope control device to deviate from hook and slot 36 under promoting, catch on handle, shield 6
Push down on, depressurization state；Or it is to be placed to designated depth, sampling rope 16 is rapidly above carried, then quickly transfers to specified
Depth, spring 12 of the rope hook 10 in rope control device deviate from hook and slot 36 under promoting and catch on handle, the slide downward of shield 6, release
Sealing state.
Liquid to be sampled is entered to put in storage in bucket 2 by the inlet opening on upper lid 1, and discharges gas by the steam vent on upper lid 1
Body.
After liquid to be sampled takes completely, pulling sampling rope 16 simultaneously takes out, and will sample 16 releases of restricting, piston 7 is dropped into liquid outlet
The position of unlatching, the emptying rate of liquid on the top of dividing plate 18, the sampling liquid of the bottom of dividing plate 18 retain and are used as tested liquid.
The upper sampling storehouse for emptying first half liquid is put into another container to be sampled and is sampled, after the completion of to be sampled
Take out.
Detect by visual observation, contrasted using the sampling liquid that the first sub-sampling retains as tested liquid, see if there is different spies
Whether sign is qualified or uniform so as to detect the presentation quality of the liquid of sampling.
After the completion of contrasting detection to be sampled, upper sampling storehouse is overturn into 180 ° of inversions, you can the first sub-sampling of discharge retains
Tested liquid.
Lower sampling storehouse is used alone（Fill valve plug state）
Valve plug 28 can be arranged as required to 3 kinds of different working conditions, i.e. positioning screw 28-1 is screwed into screw hole, valve plug 28
In normally off；Positioning screw 28-1 is not threaded into, and valve plug 28 is in free state；And positioning screw 28-1 is not threaded into screw
Pushed against in hole but with boss 28-2, valve plug 28 is in normally open.
Valve plug 28 is in normally off, the position of lower cover 22 sealing in lower sampling storehouse, can regard bottle cap, tighten lid 20,
When lower sampling storehouse is inverted, charge of oil tank car, oiling oil gun, oil tank and oil pipeline setting-out can be accessed and check presentation quality, energy
Enough carry out detecting the foam time of gasoline sample, oil sample can be sealed up for safekeeping when sample bottle.
Positioning screw 28-1 is not threaded into screw hole but pushed against with boss 28-2, and valve plug 28 is in normally open, by taking
Lower sampling storehouse is put into the liquid of sampling by sample rope 16, and extraction sampling rope 16 takes out after taking completely, connects under gravity
Sealing is formed between bar 24 and upper lid 20, and causes depositing due to atmospheric pressure between sampling liquid and the atmospheric pressure in lower sampling storehouse
Negative pressure is being formed, so as to which leakage will not be produced, can be used in taking automobile oil truck, the oil sample of oil tank and tank bottom sample, realize bottom
Sampled during inlet and outlet without bottom valve, the problems such as avoiding the leakage that impurity jam bottom valve is not closed completely.
Positioning screw 28-1 is unclamped, valve plug 28 can slidably, and valve plug 28 is in free state；Being capable of extracting container bottom
The high sample of portion's water, valve plug 28 touch container bottom stress and rise the through hole opened on lower cover 22, and upon exiting the vessel, valve plug 28 is because certainly
Weight and the descending through hole closed on lower cover 22, the O-ring seal on upper lid 20 and lower cover 22 are in sealing state, prevent sample
Leakage loss.
Upper sampling storehouse and the use of lower sampling storehouse combination, lower sampling storehouse dress electronic densitometer
Connecting rod 29 is installed in lower sampling storehouse, electronic densitometer probe 31 is installed in the cavity of the bottom of connecting rod 29,
The data wire of electronic densitometer is protruding by the through hole in connecting rod 29；
The lower sampling storehouse for being placed with electronic densitometer probe 31 is connected with upper sampling storehouse, and is put into liquid to be sampled, lower sampling
Storehouse is at not up to precalculated position, in sealing state；When reaching bottom position, lower sampling storehouse is in into liquid status, and is made
The air obtained in storehouse bucket 21 is discharged from air discharge duct, treats air emptying, lower sampling storehouse takes full sampling liquid, and meets electronic densitometer
After 31 minutes, sampling storehouse will be gone up and lower sampling storehouse is taken out.
The time of measuring of electronic densitometer probe 31 is at least 5 seconds, preferably more than 60 seconds.
By the connecting rod 29 on lower sampling storehouse, lower sampling storehouse is fixedly attached to upper sampling storehouse by screw thread or buckle
On, and by sampling storehouse and lower sampling storehouse in the decentralization of rope control device and extraction on upper sampling storehouse；It is upper sampling storehouse can by every
Plate 6 carries out more sub-samplings and contrasted, and in the point and bottom sampling process for carrying out each depth of liquid layer, measures sample point position in the lump
Liquid density, so as to the presentation quality and density of synchronous detection sample, the uniformity of evaluate sample, it is determined that application substitution table
The method of property sample.
Claims (17)
1. a kind of full-service fluid samples colour comparatour, it is characterised in that：Including upper sampling storehouse and lower sampling storehouse；Upper sampling storehouse is with
Sampling storehouse can be used alone, or upper sampling storehouse and lower sampling storehouse are combined and used；
Upper sampling storehouse includes Shang Gai, storehouse bucket, lower cover, feed liquor linkage and rope control device；Described storehouse bucket is hollow cylinder,
It is provided with and covers in the upper seal of cylinder, lower cover is sealed and installed with below cylinder；In the junction of cylinder and upper lid, lower cover
It is separately provided for the sealing gasket of sealing；It is provided with the center of upper lid for the through hole through feed liquor linkage,
Through hole outer rim is provided with inlet opening；Described linkage includes shaft-like connecting rod, shield and piston, passes through in the tail end of connecting rod
Bearing pin is connected with piston, and the top of connecting rod is threadedly attached on shield, and the cross section of shield is inverted T-shaped, and upper
The inwall of lid is provided with the step coordinated with shield, when carrying the top for carrying shield, due to Action of Gravity Field between shield and upper lid
Sealing is formed, sealing state releases during release, can form the passage flowed out for liquid；The head of shield is stretched out logical on lid
Hole, and be fixedly connected by screw thread or buckle with rope control device, rope control device can control the opening of shield；In lower cover
Central spot is also equipped with through hole, and the side in through hole outwardly is provided with boss, and boss inwall is provided with the rubber for sealing
Circle, rubber ring coordinates with piston can play sealing function；It is located at the side in the bucket of storehouse in lower cover to be provided with for entering discharge opeing
Cavity, the top of cavity offer the through hole passed through for connecting rod and are flexibly connected with the top of piston by bearing pin；
Described rope control device is made up of rope hook, pipe cap, spring, pogo barrel, push rod, lock tube；There is axle in the middle part of pogo barrel
To the hook and slot that section is hooklike aperture；Pogo barrel upper end is provided with pipe cap, the intracavitary of pogo barrel is equipped with spring, and the one of spring
End heads on the inwall of pipe cap, and the other end pushes K shape push rods；In the case where locking open state, rope hook enters hook and slot, is stuck in the middle part of K shapes push rod,
The bottom of pogo barrel opening is provided with lock tube, and lock tube is connected by the top of screw thread or buckle and shield, and the top of rope hook passes through
Pipe cap is simultaneously connected with sampling rope；
Boss inwall in upper sampling storehouse is provided with the inlet being additionally provided with the outside of the rubber ring for sealing for feed liquor,
The quantity of inlet is not limited to one；
Lower sampling storehouse includes Shang Gai, storehouse bucket and lower cover；Described storehouse bucket is hollow cylinder, and storehouse bucket makes for transparent material,
The upper seal of cylinder is provided with lid, and lower cover is sealed and installed with below cylinder；Punished in the connection of cylinder and upper lid, lower cover
The sealing gasket for sealing is not provided with；The inlet for entering discharge opeing is provided with the top of upper lid, is set in inlet
There is O-ring seal, the connecting rod being engaged with O-ring seal is additionally provided with inlet, the lower end of connecting rod can be arranged to
Piston, it is interference fit between piston and O-ring seal；Hollow through hole is provided with described lower lid, is provided with through hole
Annular groove, O-ring seal is installed in groove, the valve plug with the conical surface can be installed in through hole, valve plug in groove with installing
O-ring seal between form interference fit so as to play the effect of movable sealing, the top truncation of valve plug forms plane, valve plug
Bottom be provided with the step of necking down, the outer diameter of step of necking down is more than the internal diameter of O-ring seal, taken at present so as to be fallen in valve plug
Sample storehouse forms sealing structure.
A kind of 2. full-service fluid sampling colour comparatour according to claim 1, it is characterised in that：Set on the lower lid
The top of cavity is additionally provided with screw thread or buckle, empty for the storehouse bucket in upper sampling storehouse to be carried out for being provided with above cavity
Between the dividing plate split, acted on by the segmentation of dividing plate, can retain the sampling liquid of lower half in the bucket of storehouse after primary sample, and
During lower sub-sampling visual comparison is carried out using the sampling liquid of lower half as the liquid with reference to liquid and the first half.
A kind of 3. full-service fluid sampling colour comparatour according to claim 2, it is characterised in that：Dividing plate and storehouse bucket inwall it
Between gap be 0.5-2mm.
A kind of 4. full-service fluid sampling colour comparatour according to claim 1, it is characterised in that：It is described it is upper sampling storehouse it is upper
Lid is attached by circle mouth and cover plate by screw thread or buckle, anti-slip veins is additionally provided with the outer wall of cover plate, for facilitating circle mouth
Connection between cover plate.
5. a kind of full-service fluid samples colour comparatour, it is characterised in that：The lower cover in the lower sampling storehouse can also be provided with step
Through hole, be additionally provided with the lead channel for facilitating feed liquor on lower cover bottom, lead to the hole site on lower lid and the upper inlet that covers
Position correspondence and size is identical, storehouse bucket is provided with the connecting rod that hollow and lower end is opening between upper lid and lower cover,
The bottom of connecting rod is provided with projection corresponding with lower cover top bar, and raised thickness is less than the height of lead channel, connecting rod energy
Enough to be slided in lower sampling storehouse, the first half of connecting rod, which is closed and forms two cavitys, the first half of connecting rod up and down, to be exposed
Lid, the air discharge duct when the outer wall of connecting rod is additionally provided with feed liquor for exhaust, the tail end of the air discharge duct position when listening to sampling rope
In in upper lid or upper lid top, formed sealing state；In sampling rope relaxation, tail end is stretched into the bucket of storehouse, the top of air discharge duct
It is still located at the outside of lid so that lower sampling storehouse is in into liquid status, and the air in the bucket of storehouse is discharged from air discharge duct.
A kind of 6. full-service fluid sampling colour comparatour according to claim 5, it is characterised in that：In upper and lower two cavitys
Head is provided with the through hole of horizontal direction；The lower end of connecting rod is extended in the through hole in lower cover, and with the through hole shape in lower cover
Into excessively poor cooperation, electronic densitometer probe is installed in the cavity of connecting rod bottom, the data wire of electronic densitometer probe leads to
The cavity for crossing connecting rod bottom stretches out.
A kind of 7. full-service fluid sampling colour comparatour according to claim 1 or 5, it is characterised in that：In lower sampling storehouse
The top of connecting rod can also be provided with cord hole, and sampling rope is connected with cord hole, can be used in lower sampling storehouse and be used alone；It is described
Sampling rope can also be two, one sampling rope be connected in cord hole, another sampling rope be connected to lid up or down sampling
On the handle in storehouse, first lower sampling storehouse is put to desired depth by the sampling rope in cord hole during sampling, listen to lid up or down and take
Sampling rope on the handle in sample storehouse, and the sampling rope in cord hole is unclamped, extracted after entering in lower sampling storehouse and completely sampling liquid in cord hole
Sampling rope, so as to complete to sample.
A kind of 8. full-service fluid sampling colour comparatour according to claim 1 or 5, it is characterised in that：In lower sampling storehouse
On cover into the male-pipe that evagination is provided with the outside of leakage fluid dram, be correspondingly arranged on thread bush on male-pipe, pass through thread bush
Regulation up and down, the sliding distance of connecting rod can be adjusted；Connecting rod can be held out against when thread bush is adjusted to top, the company of prevention
Extension bar slides, so that upper lid is in sealing state.
A kind of 9. full-service fluid sampling colour comparatour according to claim 6, it is characterised in that：Using electronic densitometer
When, the data wire of electronic densitometer can be sampling rope, and the root long degree rope short compared with data wire is separated in the end of data wire
For being connected with rope hook.
A kind of 10. full-service fluid sampling colour comparatour according to claim 1, it is characterised in that：Formed in valve plug truncation
The upper surface of plane sets the screwed hole through valve plug, positioning screw is movably installed with screwed hole, the upper surface of lower cover is set
The boss coordinated with positioning screw is equipped with, screw hole is additionally provided with boss；Valve plug can be arranged as required to 3 kinds it is different
Working condition, i.e. positioning screw are screwed into screw hole, and valve plug is in normally off, positioning screw is not threaded into, and valve plug is in freely
State and positioning screw are not threaded into screw hole but pushed against with boss, and valve plug is in normally open, this three state.
A kind of 11. full-service fluid sampling colour comparatour according to claim 1 or 5, it is characterised in that：The upper sampling storehouse
And it is provided with corresponding screwed hole or buckle bayonet socket, screwed hole or card between each self-corresponding upper lid and lower cover on lower sampling storehouse
It is attached between buckle mouth by press strip, for will further be sealed between Shang Gai, storehouse bucket and lower cover.
A kind of 12. full-service fluid sampling colour comparatour according to claim 1 or 5, it is characterised in that：The upper sampling storehouse
And each self-corresponding storehouse bucket both ends are respectively arranged with screw thread on lower sampling storehouse, are respectively arranged with Shang Gai and lower lid and storehouse
The screw thread that is engaged of bucket, for by Shang Gai and storehouse bucket, being tightened between lower cover and storehouse bucket.
A kind of 13. full-service fluid sampling colour comparatour according to claim 1 or 5, it is characterised in that：In lower sampling storehouse
Connecting rod top is additionally provided with interface, for being connected with upper sampling storehouse；The interface on the connecting rod top in described lower sampling storehouse is
Hickey or buckle.
A kind of 14. application method of full-service fluid sampling colour comparatour, it is characterised in that：
Upper sampling storehouse is used alone, not fill dividing plate state；
Vacant upper sampling storehouse is slowly put into liquid to be sampled by the sampling rope controlled on device of restricting during use, placed to appearance
Device bottom, spring of the rope hook in rope control device deviate from hook and slot under promoting, and shield is because of gravity slide downward, depressurization state；
Or it is to be placed to designated depth, sampling is restricted and rapidly above carries and is put back under quick to designated depth, rope hook is in rope control device
Spring promote lower abjection hook and slot, shield is because of slide downward of conducting oneself with dignity, depressurization state；
Liquid to be sampled enters to put in storage in bucket by the inlet opening on upper lid, and discharges gas by the steam vent on upper lid；
Liquid to be sampled take it is full after, pull sampling to restrict and simultaneously take out, sampling person carries out the sampling liquid in the bucket of visual detection storehouse, also can will
Sampling liquid, which is put into vessel, to be detected.
A kind of 15. application method of full-service fluid sampling colour comparatour, it is characterised in that：
Upper sampling storehouse is used alone, to fill dividing plate state；
Vacant upper sampling storehouse is slowly put into liquid to be sampled by the sampling rope restricted on control device during use；
Place to container bottom, spring of the rope hook in rope control device to deviate from hook and slot under promoting, catch on handle, shield pushes down on
It is dynamic, depressurization state；Or it is to be placed to designated depth, sampling rope is rapidly above carried, then quickly transfers to designated depth, rope hook
Spring in rope control device deviates from hook and slot under promoting and catches on handle, shield slide downward, depressurization state；
Liquid to be sampled enters to put in storage in bucket by the inlet opening on upper lid, and discharges gas by the steam vent on upper lid；
After liquid to be sampled takes completely, pull sampling to restrict and simultaneously take out, sampling is restricted and unclamped, piston is dropped to the position of liquid outlet unlatching
Put, the emptying rate of liquid on dividing plate top, the sampling liquid of the lower partition retains and is used as tested liquid；
The upper sampling storehouse for emptying first half liquid is put into another container to be sampled and is sampled, is taken after the completion of to be sampled
Go out；
Detect by visual observation, contrasted using the sampling liquid that the first sub-sampling retains as tested liquid, see if there is different characteristic, from
And whether the presentation quality for detecting the liquid of sampling is qualified or uniform；
After the completion of contrasting detection to be sampled, upper sampling storehouse is overturn into 180 ° of inversions, you can the reference that the first sub-sampling of discharge retains
Liquid.
A kind of 16. application method of full-service fluid sampling colour comparatour, it is characterised in that：
Lower sampling storehouse is used alone, to fill valve plug state；
Valve plug can be arranged as required to 3 kinds of different working conditions, i.e. positioning screw is screwed into screw hole, and valve plug is in normally closed
State；Positioning screw is not tightened, and valve plug is in free state；And positioning screw is not threaded into screw hole but pushed against with boss,
Valve plug is in normally open；
Valve plug is in normally off, the lower cover position sealing in lower sampling storehouse, can regard bottle cap, tighten lid, by lower sampling storehouse
During inversion, charge of oil tank car, oiling oil gun, oil tank and oil pipeline setting-out can be accessed and check presentation quality, can be detected
The foam time of gasoline sample, oil sample can be sealed up for safekeeping when sample bottle；
Positioning screw is not threaded into screw hole but pushed against with boss, and valve plug is in normally open, by sampling rope by lower sampling storehouse
It is put into the liquid of sampling, extraction sampling rope takes out after taking completely, is formed under gravity between connecting rod and upper lid close
Envelope, and cause the presence sampled between liquid and atmospheric pressure due to atmospheric pressure in lower sampling storehouse to form negative pressure, so as to produce
Raw leakage, can be used in taking automobile oil truck, the oil sample of oil tank and tank bottom sample, is sampled when realizing bottom inlet and outlet without bottom valve,
The problems such as avoiding the leakage that impurity jam bottom valve is not closed completely；
Positioning screw is unclamped, valve plug can slidably, and valve plug is in free state；Can the high sample of extracting container bottom water,
Valve plug touches container bottom stress and rises the through hole opened on lower lid, upon exiting the vessel, valve plug descending closing lower cover because of deadweight
On through hole, the O-ring seal on Shang Gai and lower lid is in sealing state, prevents sample leakage loss.
A kind of 17. application method of full-service fluid sampling colour comparatour, it is characterised in that：
Upper sampling storehouse and the use of lower sampling storehouse combination, lower sampling storehouse dress electronic densitometer；
Connecting rod is installed in lower sampling storehouse, electronic densitometer, electronic densitometer are installed in the cavity of connecting rod bottom
Data wire it is protruding by the through hole in connecting rod；
The lower sampling storehouse for being placed with electronic densitometer is connected with upper sampling storehouse, and is put into liquid to be sampled, lower sampling storehouse is not
When reaching precalculated position, in sealing state；When reaching bottom position, lower sampling storehouse is in into liquid status, and causes storehouse bucket
Interior air is discharged from air discharge duct, treats air emptying, lower sampling storehouse takes full sampling liquid, and meets electronic densitometer minute
Afterwards, sampling storehouse will be gone up and lower sampling storehouse is taken out；
The time of measuring of electronic densitometer is at least 5 seconds；
By the connecting rod on lower sampling storehouse, lower sampling storehouse is fixedly attached on upper sampling storehouse by screw thread or buckle, and leads to
Storehouse and lower sampling storehouse are sampled in the decentralization of rope control device and extraction crossed on sampling storehouse；Upper sampling storehouse can be carried out more by dividing plate
Sub-sampling simultaneously contrasts, and in the point and bottom sampling process for carrying out each depth of liquid layer, measures the liquid of sample point position in the lump
Density, so as to the presentation quality and density of synchronous detection sample, the uniformity of evaluate sample, it is determined that using taking representative sample
Method.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175246A (en) * | 2020-01-20 | 2020-05-19 | 通标标准技术服务有限公司 | Detection device for analyzing crude oil quality by adopting near infrared spectrum |
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